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Finding the Fourth Proportional to 50,335.71, 75,501.81 and 12,896.09

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Solution

The fourth proportional to 50,335.71, 75,501.81 and 12,896.09 is: 19,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,335.71 : 75,501.81 = 12,896.09 : x
  2. Step 2: Convert to fraction form
    50,335.71/75,501.81 = 12,896.09/x
  3. Step 3: Cross multiply
    50,335.71x = 75,501.81 × 12,896.09
  4. Step 4: Simplify right side
    50,335.71x = 973,678,042.55
  5. Step 5: Solve for x
    x = 973,678,042.55/50,335.71
  6. Step 6: Final answer
    x = 19,343.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.